Fluke 325 True RMS Clamp Meter

Model#: Fluke 325 Part#: 5065866 UPC#: 0 95969 62376 6
Fluke 325 True RMS Clamp Meter is rated 4.7 out of 5 by 44.
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  • 325
  • 325 What’s In The Box
  • Fluke 325 True-RMS Clamp Meter with DC Current & Frequency
  • Fluke 325 True RMS Clamp Meter

Key features

  • True-rms AC/DC current, voltage, temperature, frequency
  • Clamp meter, test leads, K-type thermocouple and soft case
  • Versatile tool performs most front-line measurement tasks

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MSRP $414.99
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Product overview: Fluke 325 True RMS Clamp Meter

Troubleshoot problems safely and accurately

The Fluke 325 True-rms Clamp Meter is a reliable, versatile troubleshooting tool for commercial and residential electricians. Featuring a slim design for easy transport and use, and a large display for efficient troubleshooting. In addition to true-rms AC current and voltage on non-linear loads, the 325 measures:

  • DC current
  • DC voltage
  • Temperature
  • Frequency

You’ll carry fewer tools in your bag and get more work done.

Covers most problems you see day-in, day-out

The 325 gives you a strong combination of measurement functions, in a tool that is reliable, easy-to-use and affordable. This clamp meter offers True-rms AC voltage and current measurements on non-linear signals. Paired with the CAT III 600 V, CAT IV 300 V safety rating the clamp meter can also measure:

  • Measures AC/DC current up to 400 A through jaw
  • AC/DC voltage to 600 V using test leads
  • Measures frequency from 5 Hz to 500 Hz; resistance to 40 kΩ
  • Measures temperature from -10 °C to 400 °C with included K-type thermocouple
  • Min/Max function records important values

Comes with a two-year warranty

What's in the box:

  • Fluke 325 True-RMS Clamp Meter
  • TL75 Test Leads
  • Type K Thermocouple
  • Two AAA Batteries (Installed)
  • Soft Case

Specifications: Fluke 325 True RMS Clamp Meter

AC currentRange40.00 A / 400.0 A
Accuracy2% ± 5 digits (45 Hz to 65 Hz)
2.5% ± 5 digits (65 Hz to 400 Hz)
DC currentRange40.00 A / 400.0 A
Accuracy2% ± 5 digits
AC voltageRange600.0 V
Accuracy1.5% ± 5 digits
DC voltageRange600.0 V
Accuracy1.0% ± 5 digits
ResistanceRange400.0 Ω / 4000 Ω / 40.00 kΩ
Accuracy1.0% ± 5 digits
Continuity≤ 30 Ω
0 to 100.0 μF / 100μF to 1000 μF
Frequency5.0 Hz to 500.0 Hz
AC responseTrue-RMS
Data holdYes
Contact temperature-10.0°C to 400.0°C (14.0°F to 752.0°F)
SizeH x W x D (mm)207 x 75 x 34
Max wire diameter30 mm (600 MCM)
Weight283 g
Category ratingCAT III 600 V
CAT IV 300 V

Models: Fluke 325 True RMS Clamp Meter

Fluke 325
Fluke 325 True-RMS Clamp Meter
Part#: 5065866
UPC#: 0 95969 62376 6


  • Fluke 325 True-RMS Clamp Meter
  • TL75 Test Leads
  • Type K Thermocouple
  • Two AAA Batteries (Installed)
  • Soft Case
Fluke 325 CAL
Fluke 325 True RMS Clamp Meter, with a traceable certificate of calibration with data from Fluke
Part#: 5160474
UPC#: 0 95969 94673 5
  • Fluke 325 True-RMS Clamp Meter
  • TL75 Test Leads
  • Type K Thermocouple
  • Two AAA Batteries (Installed)
  • Soft Case
  • A traceable certificate of calibration with data from Fluke
Fluke 325 True RMS Clamp Meter, fully reconditioned to original factory specifications. Includes Fluke's 2 year product warranty.
Part#: 4391126
UPC#: 0 95969 68868 0

I really could not figure out what's the lower resistance check on this model? :( like can it check the 1 ohm or zero ohm?

Asked by: SamSam

Least count? 1A or 1mA or 1uA or ?

Asked by: Viralz

Which country is this made in

Asked by: Christopher604
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Rated 3 out of 5 by from Great Meter, The Test Leads Suck in Cold Weather I have just purchased a Fluke 325 Clame Meter and I love the meter so far but the test leads that come with this meter DO NOT LIKE THE COLD WEATHER! I have purchase a number of meters over the last 30 years and these leads have to be the worst that have shipped with a new meter ever. These leads are as user friendly as trying to drag as wild cat through an antique store by it’s tail (I happen to love cats by the way and would much rathr drags the Fluke purchasing rep by his or her tail rather than a cat). This is really too bad considering the price that Fluke charges for their test equipment compared to other vendors.
Date published: 2022-01-13
Rated 5 out of 5 by from Better than my previous one i had a UEI Multimeter prior to this (pretty much the same functions, but after years of use was beginning to glitch on certain settings). got this model in response to the need to have a very functional multimeter, and i am confident that it will surpass the predecessor. the labels are fairly straightforward, and the automatic scale change is vital when measuring different ohm ranges. i also needed the clamp-on ammeter so i could leave the device on the wire whilst checking other numbers.
Date published: 2022-01-05
Rated 4 out of 5 by from Good instrument, lame manual Basic functionality is as described. However, the "manual" is unintelligible. The pictures don't really work for me. Not sure what they are trying to say.
Date published: 2021-06-30
Rated 4 out of 5 by from Great meter for the serious electrician. Great meter for the serious electrician and troubleshooter.
Date published: 2021-06-17
Rated 5 out of 5 by from 325 True RMS Clamp Meter Excellent meter! I bought the first one through Amazon. It was a cheap Chinese knock-off which I returned. Went to Fluke and bought the real thing! No regrets!
Date published: 2021-04-27
Rated 1 out of 5 by from Poor Quality and Support I have this meter(out of warranty). The battery terminals lost its spring effect making the contacts loose. On requesting the service center for replacement / repair service, they asked me to purchase a new meter for they have no spares and do not repair this meter any more.
Date published: 2020-11-19
Rated 5 out of 5 by from Functions and reliability Always preferred Flukes for their reputation . Always used flukes.
Date published: 2020-09-20
Rated 3 out of 5 by from Slightly disappointed Heads up, this is going to be a long read. For background, I do electrical controls for a living, primarily HVAC/temperature controls. We use a lot of thermistors, current transducers, PLC's, pressure transducers, and other devices to control air handlers, pumps, and fans. I've owned this meter about six months. I bought it to replace the Fluke 322 in my tool bag for work. The 322 has been great for the roughly seven years I've owned it, but it doesn't read resistance high enough to test 10k thermistors, so I always carried a second meter in my pickup specifically for reading resistance. I thought a 325 would bring me down to a single meter, since it does everything my 322 does with the addition of up to 40k ohm resistance capability (temperature readings are also a perk, but not part of why I decided on this model). The 325 works as expected for measuring voltage, resistance, frequency, direct current, and sometimes alternating current (more on that to follow). I cannot confirm the temperature readings, since I've never found two temp sensors that perfectly agreed with one another, but I do not trust this meter as much as the Fieldpiece and Amprobe in my pickup, mostly because of how cheesy the thermistor lead looks. I have one major gripe and several minor gripes about this meter. The minors are annoying but livable. I'll start with those: 1) The TL75 leads are unreasonably stiff at room temperature. The leads that came on my 322 and those that I've used on other brand meters are reasonably flexible out of the box and get better with age. Six months later, and I still have to uncoil these from around the meter. 2) The case is too small if you store the leads in it with the meter, and don't even think about leaving the leads connected if you want to zip the case! 3) The knob could be a little tighter. It often gets turned on by wrapping the leads around it (see point 1). The major issue I have with this meter is when it comes to alternating current. I quickly ran into discrepancies between current transducers' and this meter's readings when checking out variable frequency drives. The numbers were far off enough that I replaced current transducers thinking they were faulty, and even returned my first 325 to buy one straight from fluke, thinking I had a faulty/knockoff product. It took a few occurrences before I contacted Fluke regarding the issue. As it turned out, "True RMS" measurements will not align with conventional measurements when it comes to nonlinear loads, such as VFD outputs. True RMS also won't agree with motor nameplates. I was basically told that this meter is "too" accurate, so its readings aren't usable, which doesn't make much sense. I equate it to people who use "upper-level" words at the risk of hindering communication with 90% of people; you're somehow superior (cool), but you've missed the goal of verbal language, which is to communicate with other people. I would have preferred a meter that measures as my 322 does but with the addition of higher resistance. I thought this would be the ticket, but I still carry two meters. If you never encounter nonlinear loads, this meter will be awesome for you! For me, it hasn't lived up to the price tag.
Date published: 2020-09-18
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